It was only one MTG set ago that the planeswalker Elspeth Tirel was disintegrated and banished to the shadow realm (beyond the Blind Eternities)
As for how good the actual card is, you don't really have to extrapolate a whole lot more than "it's eight mana"
The Black Suit 3/2 Illustrated by Roberta Ingranata Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
It is usable as OK spot removal and it turns into powerful reach late game
If you get value from unblockability and the cheap body, you likely wont get maximum value from scry 1, so there are two ways to go about building around Thassa, who is the God most likely to be played without the intention of reliably getting active
Staggering Insight In my eight years of playing Commander, I've only seen Curiosity played in Niv-Mizzet, the Firemind decks and more recently, Niv-Mizzet, Parun